Shape ABCD is a parallelogram. Y is the mid-point of AB and Z is on BC such that BZ=1/2ZC. Given that AB=a and BC=b, describe, in terms of a and b: a) AC b)CY c)YZ

a) AC = a + b

b) CY = -b -1/2a 

c) YZ = 1/2a + 1/3b

MC
Answered by Matthew C. Maths tutor

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v^2=u^2 + 2as u=12 a=-3 s = 18 Find v


Factorise fully 12x^2-20x+3


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Complete the square on this equation: 2x^2 + 20x + 15 = 0.


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